The final answer is a single word. January 18 The world ended today. Not with a bang, but a whimper–it sounds so cliché, but it's the only way to describe what happened. All our preparations were for naught because the elite team we assembled to fight for us were too busy playing around inste...

You meet 4 persons, you haven't seen before and must ask questions to determine who is who. You may ask each as many times as you want but only yes/no questions. Yessayer will always answer yes. Nosayer will always answer no. Truther will always says the truth. Lier will always always lies. H...

I recently flagged this answer for moderator attention, because there are many problems with it, and that was my best idea about how to handle that. The answer itself oversimplifies the question, contains some flawed calculations and implements a strategy which in certain cases just won't work. ...

if Bob chooses 1,2,3 he will get 3 unit if Bob chooses 1,3,2 he will get 2 unit if Bob chooses 2,1,3 he will get (1 + 3) = 4 unit if Bob chooses 2,3,1 he will get (1 + 3) = 4 unit if Bob chooses 3,1,2 he will get 2 unit if Bob chooses 3,2,1 he will get 1 unit So, expected amount of weight i...

This riddle was given to me during a game. The four letter answer is a "code" that will unlock a door. Since the word "open" was in caps I'm assuming that is part of the "rules" for figuring out the code. I was going to try writing the alphabet forward and then backwards and match up the letter...

You are a soldier in the army, and the commander is testing his soldiers for their shots. But the commander is also a mathematician and would like to test not only your shooting ability but also your intelligence. To do that, before you shot, he brings the shooting target to you which consists of...